reasons they were there, their families and the pain so many people are going through, it's so frustrating to hear there is so little known right now about who did this and why and accountability. >> it's, obviously, so tragic, mika. i'm going to maybe disagree a little bit about progress and i know people are impatient. it's impossible not to hear these stories and want to know why, how, who did this. the fact is we are not even 39 hours into this investigation. in fact, i think a lot of progress was made yesterday identifying in some detail the components of all the bomb, how the bombs were covered and how they, in some ways, how they were delivered potentially the great picture near the mailbox of the bag. that is absolutely critical. and i would remind that we were talking about london before. the idea the entire city is wired for surveillance. it took the brits weeks and months to get through that surveillance tape and actually piece everything together.